GEAR PUMP OR GEAR MOTOR

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20190338769A1
SERIAL NO

16338297

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A gear pump or motor includes a main pump or motor connected to a drive source, and an auxiliary pump or motor. The main pump or motor includes helical main drive and driven gears, and a main drive shaft. A main connection part is formed at a leading end surface of the main drive shaft. The auxiliary pump or motor includes an auxiliary drive shaft extending toward the main drive shaft, an auxiliary connection part formed at a leading end face of the auxiliary drive shaft. A connecting member connects the main and auxiliary connection parts, and is in contact with an outer edge portion of the leading end face of the main drive shaft. A space opposes a receiving surface of the connecting member. The receiving surface opposes the auxiliary pump or motor. High-pressure operating fluid is supplied to the space.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
DAIKIN INDUSTRIES LTDUMEDA CENTER BUILDING 4-12 NAKAZAKI-NISHI 2-CHOME KITA-KU OSAKA-SHI OSAKA 5308323 JAPAN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
TSUZUKI, Katsunari Osaka-shi, Osaka, JP 2 0

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